Which of the following are potential effects of a point mutation within a protei

Question

Which of the following are potential effects of a point mutation within a protein coding gene? A nucleotide is replaced with another nucleotide but the amino acid sequence remains the same. An incorrect amino acid is placed in a protein and it affects how the protein functions. A nucleotide is used in place of another and the change results in a stop codon. An extra sequence of amino acids is inserted in a protein but the protein still functions. A segment containing many nucleotides is added and the amino acid sequence changes.

Explanation / Answer

Answer - Three types of Point mutation

A nucleotide is replaced with another nucleotide but the amino acid sequence remains the same. - Silent mutation

The incorrect amino acid is placed in the protein and affect the protein function - Missense mutation

A nucleotide is used in place of another and the change results in a stop codon - Nonsense mutation

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